Here is the full list of all 32 Crystal Caves HD achievements.
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Jump between crumbling platforms 15 times
Finish Episode 4
Finish all Episodes
Find and enter the wormhole.
Finish Episode 3
Reverse gravity while playing reverse gravity level.
Finish Episode 2
Destroy 10 enemies with a power of a single Red Mushroom.
Collect 5000 crystals.
Collect 1,000,000 points worth of bonus items.
Find 100 secret crystals
Finish any episode on Hard difficulty.
Unlock 200 treasure chests
Defeat 30 bosses
Collect 50 fruit throught the levels
Kill 250 enemies.
Eat Green Mushroom without dying.
Collect all fruit in a single level
Finish any level in under 1 minute
Create and play your own level.
Finish Episode 1
Complete any dark level without turning on the lights
Complete any level without killing a single enemy.
Own at least 60 ammo
Kill 10 spiders
Collect BONUS!
Oopsie!
Complete a level with a perfect score
Finish your first level